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Free Arizona CDL Double/Triple Trailers Practice Test 2023

Do you know how to pair double or triple trailers? If you are planning to take the Arizona CDL double/triple trailer endorsement test, make sure to know it! Our Arizona CDL practice test pack has the same questions as the real exam which is based on the Arizona CDL manual. It covers most of the subject areas on the Double/Triple Trailers Test such as pulling double and triple trailers, the risk of rollover, managing space, and special considerations when hauling multiple trailers. In addition, each question has a detailed explanation that will help you understand the concept and answer future questions about it correctly. If you don't get the pass right away, you can take this CDL practice test an unlimited number of times to make sure you learn all the questions. Let’s try our Free Arizona CDL Double/Triple Trailers Practice Test today and pass your CDL endorsement exam! Good luck and keep driving safely!

Our CDL practice tests:
Based on 2021 AZ commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
AZ CDL Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
Study now
List of questions
1.
What is the purpose of an antilock braking system (ABS)?
2.
What is proper braking technique for drivers travelling down a hill or any other downgrade?
3.
If air supply drops when driving, the tractor protection valve ________.
4.
How can you be sure you supplied air to a second trailer?
5.
After coupling, the air shut-off valves at the back of the first trailer should be:
6.
When you turn with the tractor/triple trailer combination, the wheels that off-track (cheat) the most are:
7.
You want to hook your combination to a second trailer that has no spring brakes. To do this without wheel chocks you should:
8.
Brake drums should not have cracks longer than what length?
9.
How do you check the low pressure warning signal?
10.
On newer vehicles, the parking brake control knob is typically yellow, but on older vehicles, the parking brake might be what color?
11.
The trailer air supply control should pop out when the air pressure falls into the pressure range of:
12.
You are visually checking the coupling of a converter dolly to the rear trailer. How much space should be between the upper and lower fifth wheel?
13.
An air compressor can be cooled by _______.
14.
When driving doubles or triples, for safer handling which trailer should be at the rear?
15.
When increased application pressure to maintain the same speed becomes necessary, you should ______.
16.
In tractors and straight trucks spring brakes will come on fully when the air pressure drops to what range?
17.
When you need to apply more pressure to help your brakes work normally effectively, this means that your brakes are fading. Which of the following can cause fading brakes?
18.
Why should the air hoses connected to the brake chambers be checked?
19.
Water and oil _______.
20.
Drivers of doubles and triples must take into greater account:
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